Unanswered Questions

6
votes
0answers
39 views

How much does spark plug gap affect fuel efficiency?

I've read conflicting reports regarding how plug gap can affect fuel efficiency. For example, I've read that too small a gap won't cause a clean burn, or that too large a gap can cause misfires due ...
5
votes
0answers
29 views

Proper way to do maintenance on an air bag system (SRS)?

My air bag system light started coming on a while ago. Sometimes it will come on and stay on, other times it will go off after a while. This usually happens when it starts raining out. I did some ...
5
votes
1answer
82 views

Can a bad battery damage voltage regulator?

I have a '91 Ford Sierra Saphire 2.0 OHC (pinto). Have been struggling with having no charge for weeks now. I've tried two different alternators, had one of them completely rebuilt by a professional, ...
5
votes
4answers
191 views

Can an O2 sensor cause faulty spark plugs on driver side only when the spark plugs were just changed?

I took my truck (2006 chevy silverado 5.3l v8) to chevrolet dealership due to the fact that it kept sputtering then dying. The check engine light was on the whole 9 yards. The fuel pump has been ...
5
votes
2answers
520 views

BMW 530xd E60 2008 diesel possibly fuel pump problem

Car details: BMW 530xd E60 2008-05 Diesel 170kw. The pump is working as it should be, it has been tested in BMW center. Problem is, when I turn the ignition on, the check engine light doesn't come ...
4
votes
0answers
20 views

Modest braking sounds similar to squealing tires

When I'm braking at a stop sign, I'm hearing a sound that sounds like a high pitched tire squeal; it's like a mix between tire squeal and the constant chirp from a bad belt, and it's coming from the ...
4
votes
0answers
26 views

Leftover parts after head gasket change; are they engine mounts or braces?

About a year ago, I replaced a head gasket on a 1994 Chevy Cavalier 2.2L. After I put everything back together there were two parts left over. The car runs good considering it's 20 years old, however ...
4
votes
0answers
29 views

ODIS 5.0.6 diagnostic tool : how can I remove an option from a transformed vehicle?

We have a transformed car, a Bentley, which no longer has a motorized sunroof. The blind has also gone. However the car diagnostics exhibits a fault on the related, non-present devices and motors. We ...
4
votes
0answers
63 views

Permanent car camera secuity system?

I am getting a new VW and from past experience I want to have a camera system built in the car for few reasons. First, to record any possible accidents while driving and while I am not there. Second ...
4
votes
2answers
60 views

What AC component would likely be the problem with my consistent power loss while driving?

I have looked through the questions to find an answer to my question and none of the questions seem to similar enough to this. I have recently purchased a 2002 Subaru Impreza Rs and the car is doing ...
4
votes
1answer
173 views

2004 Hyundai Elantra stalling when tank is full

For the first 15 to 20 minutes after starting my Elantra it idles very low and every couple minutes, idling our not, it very nearly stalls. Per the tach, the rpm dips significantly for about 2-3 ...
4
votes
4answers
306 views

How to remove a stripped/broken sparkplug on a 2001 Chevy Malibu

I have tried to remove the #3 spark plug from my 2001 Malibu, with no results. It is very hard to get to that particular spark plug because there is not much room between the fire wall and cylinder. I ...
4
votes
3answers
383 views

BMW E90 M47TU2 EGR clean

I have a BMW E90 2007 with a M47TU2 engine, Can anyone tell me where the EGR valve is, how to get it off and how to clean it (with what?) Thanks
4
votes
1answer
1k views

Reading ABS diagnostic codes on a Volvo 940

I want to read any fault codes stored in my 1992 Volvo 940's ABS module. I've tried the procedure described in the popular 700/900 series FAQ without success. That procedure involves plugging the ...
3
votes
0answers
20 views

How to get items out of the HVAC system from a 2003-2007 Honda Accord

Before I ruin my dashboard/car, I wanted to know if my approach is correct. I don't know much about cars but logically, it seems like a simple enough task to remove vents, reach in and grab items, ...

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